// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
author: Caitlin Potter <caitp@igalia.com>
esid: sec-generator-function-definitions
description: >
  AwaitExpressions are valid operands to yield expressions.
flags: [async]
features: [async-iteration]
---*/

function Test() {
    var iter = (async function*() {
      yield await new Promise(function(resolve) {
        resolve("a");
      });
    })();

    iter.next().then(function(result) {
      assert.sameValue(result.value, "a", 'First result `value`');
      assert.sameValue(result.done, false, 'First result `done` flag');
    }).then(undefined, $DONE);

    iter.next().then(function(result) {
      assert.sameValue(result.value, undefined, 'Second result `value`');
      assert.sameValue(result.done, true, 'Second result `done` flag');
    }).then($DONE, $DONE);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
